Monday, April 19, 2021

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1639


(e) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and



Clearing Diagnostic Trouble Codes/DTC Check / Clear.



(f) Turn the engine switch off.



(g) Turn the engine switch on (IG), and wait for at least 60 seconds.



(h) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic



Trouble Codes/DTC Check / Clear.



OK:



DTC B1800, B1801, B1802, B1803 or 51 is not output.



Text in Illustration



HINT



Codes other than DTC B1800, B1801, B1802, B1803 and 51 may be output at this time, but they are not related to this check.



NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY See: Relays and Modules/Relays and Modules - Restraints and



Safety Systems/Air Bag Control Module/Service and Repair/Removal



OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm



Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting



5. CHECK INSTRUMENT PANEL WIRE



(a) Restore the released activation prevention mechanism of connector B to the original condition.



(b) Disconnect the instrument panel wire from the spiral cable.



(c) Check for a short to B+ in the circuit.



(1) Connect the cable to the negative (-) battery terminal.



(2) Turn the engine switch on (IG).



(3) Measure the voltage according to the value(s) in the table below.



Standard Voltage:



(d) Check for an open in the circuit.



(1) Turn the engine switch off.



(2) Disconnect the cable from the negative (-) battery terminal.



NOTICE:



Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

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